avcodec/utvideo: Move stuff only used by Ut encoder to Ut encoder

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

libavcodec/Makefile

@@ -664,8 +664,8 @@ OBJS-$(CONFIG_TTA_ENCODER)             += ttaenc.o ttaencdsp.o ttadata.o
 OBJS-$(CONFIG_TWINVQ_DECODER)          += twinvqdec.o twinvq.o
 OBJS-$(CONFIG_TXD_DECODER)             += txd.o
 OBJS-$(CONFIG_ULTI_DECODER)            += ulti.o
-OBJS-$(CONFIG_UTVIDEO_DECODER)         += utvideodec.o utvideo.o utvideodsp.o
+OBJS-$(CONFIG_UTVIDEO_DECODER)         += utvideodec.o utvideodsp.o
-OBJS-$(CONFIG_UTVIDEO_ENCODER)         += utvideoenc.o utvideo.o
+OBJS-$(CONFIG_UTVIDEO_ENCODER)         += utvideoenc.o
 OBJS-$(CONFIG_V210_DECODER)            += v210dec.o
 OBJS-$(CONFIG_V210_ENCODER)            += v210enc.o
 OBJS-$(CONFIG_V210X_DECODER)           += v210x.o

libavcodec/utvideo.c

@@ -1,39 +0,0 @@
-/*
- * Common Ut Video code
- * Copyright (c) 2011 Konstantin Shishkov
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * FFmpeg is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-/**
- * @file
- * Common Ut Video code
- */
-
-#include "utvideo.h"
-
-#if FF_API_PRIVATE_OPT
-const int ff_ut_pred_order[5] = {
-    PRED_LEFT, PRED_MEDIAN, PRED_MEDIAN, PRED_NONE, PRED_GRADIENT
-};
-#endif
-
-int ff_ut_huff_cmp_len(const void *a, const void *b)
-{
-    const HuffEntry *aa = a, *bb = b;
-    return (aa->len - bb->len)*256 + aa->sym - bb->sym;
-}

libavcodec/utvideo.h

@@ -61,9 +61,6 @@ enum {
     UTVIDEO_444  = MKTAG('Y', 'V', '2', '4'),
 };
 
-/* Mapping of libavcodec prediction modes to Ut Video's */
-extern const int ff_ut_pred_order[5];
-
 typedef struct UtvideoContext {
     const AVClass *class;
     AVCodecContext *avctx;
@@ -91,13 +88,4 @@ typedef struct UtvideoContext {
     size_t control_stream_size[4][256];
 } UtvideoContext;
 
-typedef struct HuffEntry {
-    uint16_t sym;
-    uint8_t  len;
-    uint32_t code;
-} HuffEntry;
-
-/* Compare huffman tree nodes */
-int ff_ut_huff_cmp_len(const void *a, const void *b);
-
 #endif /* AVCODEC_UTVIDEO_H */

libavcodec/utvideoenc.c

@@ -37,6 +37,25 @@
 #include "utvideo.h"
 #include "huffman.h"
 
+typedef struct HuffEntry {
+    uint16_t sym;
+    uint8_t  len;
+    uint32_t code;
+} HuffEntry;
+
+#if FF_API_PRIVATE_OPT
+static const int ut_pred_order[5] = {
+    PRED_LEFT, PRED_MEDIAN, PRED_MEDIAN, PRED_NONE, PRED_GRADIENT
+};
+#endif
+
+/* Compare huffman tree nodes */
+static int ut_huff_cmp_len(const void *a, const void *b)
+{
+    const HuffEntry *aa = a, *bb = b;
+    return (aa->len - bb->len)*256 + aa->sym - bb->sym;
+}
+
 /* Compare huffentry symbols */
 static int huff_cmp_sym(const void *a, const void *b)
 {
@@ -139,7 +158,7 @@ FF_DISABLE_DEPRECATION_WARNINGS
 
     /* Convert from libavcodec prediction type to Ut Video's */
     if (avctx->prediction_method)
-        c->frame_pred = ff_ut_pred_order[avctx->prediction_method];
+        c->frame_pred = ut_pred_order[avctx->prediction_method];
 FF_ENABLE_DEPRECATION_WARNINGS
 #endif
 
@@ -340,7 +359,7 @@ static void calculate_codes(HuffEntry *he)
     int last, i;
     uint32_t code;
 
-    qsort(he, 256, sizeof(*he), ff_ut_huff_cmp_len);
+    qsort(he, 256, sizeof(*he), ut_huff_cmp_len);
 
     last = 255;
     while (he[last].len == 255 && last)